[医] acetoform, aminoform, hexamethylenamine, hexamethylenetetramine, hexamine, methenamine, urotropine
huán liù yà jiǎ jī sì àn ㄏㄨㄢˊ ㄌㄧㄡˋ ㄧㄚˋ ㄐㄧㄚˇ ㄐㄧ ㄙˋ ㄢˋ